Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21493910 (number)

21493910 is an even 8-digits composite number following 21493909 and preceding 21493911. In scientific notation, it is written as 2.1493910 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 8597560 positive integers (up to 21493910) that are relatively prime to 21493910.

Interesting facts

21493910 has 8 divisors, whose sum is 38689056
The reverse of 21493910 is 01939412
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million four hundred ninety-three thousand nine hundred ten

Notation

Scientific notation	2.1493910 × 10^7
Engineering notation	2.1493910 × 10^6

Prime Factorization of 21493910

Prime Factorization 2 × 5 × 2149391

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493910	Product of the distinct prime numbers

The prime factorization of 21493910 is 2 × 5 × 2149391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 69, 90, 35, 62, 4167, 7184, 62988, 9883, 904570, 543981, 5052570, 1567943, 9610442, 75899624, 551806879, 80801501, 6035094364, 913731062

Basic calculations (n = 21493910)

Multiplication

n×y

n×2	42987820
n×3	64481730
n×4	85975640
n×5	107469550

Division

n÷y

n÷2	10746955
n÷3	7164636.6666667
n÷3	5373477.5
n÷5	4298782

Exponentiation

n^y

n²	461988167088100
n³	9.9299320844566E+21
n⁴	2.1343306652942E+29
n⁵	4.5875111230074E+36

Nth Root

^y√n

²√n	4636.1524996488
³√n	278.038631348
⁴√n	68.089297981759
⁵√n	29.272720442987

Divisors of 21493910

1, 2, 5, 10, 2149391, 4298782, 10746955, 21493910

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21493909	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493910 can be divided by 8 positive divisors. The sum of these divisors (counting 21493910) is 1, the average is 0.125.

Base conversion 21493910

Base	System	Value
2	Binary	1010001111111100010010110
3	Ternary	1111110000002202
4	Quaternary	1101333202112
5	Quinary	21000301120
6	Senary	2044404502
8	Octal	121774226
10	Decimal	21493910
12	Duodecimal	7246732
16	Hexadecimal	147f896
20	Vigesimal	6e6efa
36	Base36	csot2

Cryptographic Hash Functions

md5	7e46a7a9afab008335445b4fd52c790e
sha1	d0fd97c9346564be838aaf94b9678a3c68057cb3
sha256	a27e334bf6263d418679cb6f9944b7e5a5891381628412d73cd5f0f57d5034b0
sha512	fbb8e90de9148ba4c66ab06140313414653e60c30809da0d1f83d8f74bb4fbb6ace4c193390d8b70f0e08bab00f0893080a18ad30182390dd230266d56b9e9e8
ripemd-160	645175e2896461265b6c6cb0e8e77ae921d344f5

21493910 as geometric shapes

Circle

Radius = n

Diameter	42987820
Circumference	135050219.50584
Area	1.4513786317694E+15

Sphere

Radius = n

Volume	4.1594402249566E+22
Surface area	5.8055145270776E+15
Circumference	135050219.50584

Square

Length = n

Perimeter	85975640
Area	461988167088100
Diagonal	30396979.030427

Cube

Length = n

Surface area	2771929002528600
Volume	9.9299320844566E+21
Space diagonal	37228544.173313

Equilateral Triangle

Length = n

Perimeter	64481730
Area	2.0004674447305E+14
Altitude	18614272.086656

Triangular Pyramid

Length = n

Surface area	2.0004674447305E+14
Volume	1.1702537189402E+21
Height	10132326.343476